| Answer | Crossword Clue |
|---|---|
| areology | the observation and study of the planet Mars |
| areology | the study of the planet Mars |
| Answer | Crossword Clue |
|---|---|
| areology | the observation and study of the planet Mars |
| areology | the study of the planet Mars |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.